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The first term of an arithmetic sequence is -30 and the common difference is 8. Find the 20th term.
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The first term of an arithmetic sequence is -30 and the common difference is 8. Find the 20th term.

The first term of an arithmetic sequence is -30 and the common difference is 8. Find-example-1
User Jens Pettersson
by
4.0k points

1 Answer

2 votes

Answer:

122.

Explanation:

nthe term = a1 + d(n - 1) so here:

20th term = -30 + 8(20 - 1)

- 30 + 152

= 122.

User Asael
by
3.8k points
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